[Virological study on leukemia in man--an approach to the problems of cancer in man].
D046508:Culture Techniques; D005333:Fetus; D006801:Humans; D007938:Leukemia / Q000382:microbiology*; D008223:Lymphoma / Q000382:microbiology; D008854:Microscopy, Electron; D009858:Oncogenic Viruses / Q000302:isolation & purification*; D014776:Virus Cultivation